LLC.Scanner.NextToken C# (CSharp) Method

        Token NextToken()
        {
            while (ch == ' ' ||
            ch >= 9 && ch <= 10 || ch == 13
            ) NextCh();
            if (ch == '/' && Comment0() ||ch == '/' && Comment1()) return NextToken();
            int recKind = noSym;
            int recEnd = pos;
            t = new Token();
            t.pos = pos; t.col = col; t.line = line; t.charPos = charPos;
            int state;
            if (start.ContainsKey(ch)) { state = (int) start[ch]; }
            else { state = 0; }
            tlen = 0; AddCh();

            switch (state) {
            case -1: { t.kind = eofSym; break; } // NextCh already done
            case 0: {
                if (recKind != noSym) {
                    tlen = recEnd - t.pos;
                    SetScannerBehindT();
                }
                t.kind = recKind; break;
            } // NextCh already done
            case 1:
                recEnd = pos; recKind = 1;
                if (ch >= '0' && ch <= '9' || ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z') {AddCh(); goto case 1;}
                else {t.kind = 1; t.val = new String(tval, 0, tlen); CheckLiteral(); return t;}
            case 2:
                recEnd = pos; recKind = 2;
                if (ch >= '0' && ch <= '9') {AddCh(); goto case 2;}
                else {t.kind = 2; break;}
            case 3:
                recEnd = pos; recKind = 3;
                if (ch >= '0' && ch <= '1') {AddCh(); goto case 3;}
                else {t.kind = 3; break;}
            case 4:
                recEnd = pos; recKind = 4;
                if (ch >= '0' && ch <= '9' || ch >= 'A' && ch <= 'F') {AddCh(); goto case 4;}
                else {t.kind = 4; break;}
            case 5:
                {t.kind = 5; break;}
            case 6:
                {t.kind = 6; break;}
            case 7:
                {t.kind = 7; break;}
            case 8:
                {t.kind = 8; break;}
            case 9:
                {t.kind = 9; break;}
            case 10:
                {t.kind = 10; break;}
            case 11:
                {t.kind = 11; break;}
            case 12:
                {t.kind = 14; break;}
            case 13:
                {t.kind = 15; break;}
            case 14:
                {t.kind = 16; break;}
            case 15:
                {t.kind = 17; break;}
            case 16:
                {t.kind = 18; break;}
            case 17:
                {t.kind = 24; break;}
            case 18:
                {t.kind = 25; break;}
            case 19:
                {t.kind = 27; break;}
            case 20:
                {t.kind = 31; break;}
            case 21:
                {t.kind = 32; break;}
            case 22:
                {t.kind = 36; break;}
            case 23:
                {t.kind = 37; break;}
            case 24:
                if (ch == 'b') {AddCh(); goto case 3;}
                else if (ch == 'x') {AddCh(); goto case 4;}
                else if (ch == 'i') {AddCh(); goto case 5;}
                else {goto case 0;}
            case 25:
                recEnd = pos; recKind = 26;
                if (ch == '=') {AddCh(); goto case 10;}
                else {t.kind = 26; break;}
            case 26:
                recEnd = pos; recKind = 19;
                if (ch == '=') {AddCh(); goto case 11;}
                else {t.kind = 19; break;}
            case 27:
                recEnd = pos; recKind = 12;
                if (ch == '=') {AddCh(); goto case 13;}
                else {t.kind = 12; break;}
            case 28:
                recEnd = pos; recKind = 13;
                if (ch == '=') {AddCh(); goto case 12;}
                else {t.kind = 13; break;}

            }
            t.val = new String(tval, 0, tlen);
            return t;
        }